Dimethylformamide → (S)-1-(3-hydroxyphenyl)-N,N-dimethyl-N-((S)-1-phenylethyl)ethanaminium bromide

Participants

Reaction Conditions

Reaction Steps

Mix 5.1 g (0.02 mol) of 3-[(S)-1-(methyl-[(S)-1-phenylethyl]amino)ethyl]phenol (formula V) with 10 ml N,N-dimethylformamide and 7.5 g (0.08 mol) of methyl bromide at room temperature, and heat the mixture to 60° C. for 10 hours. Let it cool to room temperature and add 100 ml of ethyl acetate. A light yellow solid is produced. Filter and dry it to receive 6.5 g light yellow solid with a yield of 89%.

Provenance & Evidence